Iamgold Corporation · TSX:IMG

Iamgold — Scotiabank Mining Conference 2015

25 slides from Iamgold's conference presentation, Dec 2, 2015

1. Slide 1: Scotiabank Mining Conference

   Scotiabank Mining Conference December 1-2, 2015 Steve Letwin President & CEO TSX: IMG NYSE: IAG

2. Slide 2: Cautionary Statement on Forward-Looking Information

   Cautionary Statement on Forward-Looking Information All information included in this presentation, including any information as to the Company’s future financial or operating performance, and other statements that express management’s expectations or estimates of future performance, other than state

3. Slide 3: Strong Foundation Enables Adaptability and Flexibility

   Strong Foundation Enables Adaptability and Flexibility Four producing >$175M cost Strong balance Robust gold mines on reductions since sheet - $780M in exploration three continents 2013 cash & bullion portfolio Near Term Strategy • Further reduce costs by mine optimization, productivity improvements

4. Slide 4: Strong Financial Position

   Strong Financial Position $783M cash, cash equivalents and gold bullion $500M $633M $635M long-term debt due 2020 1 $1,283M As at Sep 30, 2015 In discussions to refinance and extend credit facility 2 Net Debt/EBITDA (TTM)3 0x $150M Cash & Cash Equivalents Net Cash $148M Gold Bullion at Market Unused

5. Slide 5: Disciplined Capital Spending

   Disciplined Capital Spending 800 54% of the decrease from 2014 to 2015 due to 700 $669M reduced spending on gold assets; balance due to sale 600 of Niobec. 500 $ Millions Development / 400 Expansion $325M 300 Sustaining $230M 1 200 100 0 2013 2014 2015 Guidance 1 Plus or minus 10% 5

6. Slide 6: All-In Sustaining Costs

   All-In Sustaining Costs1,2 1,400 All figures in $/oz. sold 1,272 1,221 1,200 1,201 1,194 1,121 3 1,115 1,113 1,076 3,4 1,000 1,021 1,027 3,4 800 600 400 200 0 ` Q3 2014 Q4 2014 Q1 2015 Q2 2015 Q3 2015 Total Cash Costs1,2 Average Realized Gold Price1 1 This is a non-GAAP measure. Refer to the non-GAA

7. Slide 7: Debt Covenant Requirements - Use of Proceeds

   Debt Covenant Requirements - Use of Proceeds Under the indenture governing IAMGOLD’s senior unsecured notes, the proceeds of certain asset sales are to be used to reinvest, or commit to reinvest, in its business within 365 days after the date of sale. After that period, if 1. there remains proceeds

8. Slide 8: Operations Review

   Operations Review #1AMGOLD

9. Slide 9: Essakane – Burkina Faso

   Essakane – Burkina Faso 120 1250  Open-pit mine in 5th year of production; 10 years remaining 1149  April 2015 – updated resource estimate at Falagountou increased indicated resources by 84% to 613,000 oz. and grade by 10% to 1022 1.5 g/t Au 100 988 955 1000 › Expected to extend Essakane’s peak pr

10. Slide 10: Rosebel – Suriname

    Rosebel – Suriname 100 1250  Multiple open-pit mine 1104 1111  Produced ~4 million ounces in first 11 years 90 1048 1037  Hard rock comprises ~32% of ore mix and will increase to 80% by 2018 80 1000 916  Joint venture with Government of Suriname to target 70 higher-grade, softer rock › >$0.11/kW

11. Slide 11: Westwood – Canada

    Westwood – Canada 40 1751  Commercial production July 1, 2014  Thorough review following seismic event on May 26 completed by th 35 1507 1600 internal and external experts › Study reviewed seismic history, stress distribution and mine sequencing 30 1119 › Developed recovery plan for rehabilitation

12. Slide 12: Sadiola – Mali

    Sadiola – Mali 25 1200 1077 1100  Open-pit mine has produced 7M oz. over 20 years  Decline in cash costs for 2015 due to lower fuel and consumable prices and favourable FX rates 20 914 1000  RC drilling program testing oxide targets; encouraging results  Potential to continue mining and milling

13. Slide 13: Exploration Review

    Exploration Review s1AMGOLD

14. Slide 14: Monster Lake (Quebec) – JV with TomaGold

    Monster Lake (Quebec) – JV with TomaGold • October 30, 2015 - Amended earn-in option agreement with TomaGold › Acquired 50% interest in exchange for C$3.2M cash payment Monster Lake › Option to increase interest to 75% with further C$10M in exploration expenditures by 2021 • June 25, 2015 - Highligh

15. Slide 15: Siribaya (Mali) – JV with Merrex Gold

    Siribaya (Mali) – JV with Merrex Gold • Focused on Diakha prospect - extension of trend hosting Boto Gold deposit Fekola -B2Gold • Highlights from infill delineation drilling 4.3Moz @ 2.16 g/t Au* completed in H1/15 include: Boto-Malikoundi › 34 m at 11.99 g/t Au, including 18 m at 18.10 Mali 1.2Moz

16. Slide 16: Boto Gold Project (Senegal)

    Boto Gold Project (Senegal) • Estimated indicated resource of 1.2 M oz at 1.7 g/t Au and inferred resource of 0.64 M oz at 1.8 g/t Au • Infill drilling at Malikoundi deposit completed Q2/15 Deposit • July 20, 2015 - Final 2015 assay results reported include: Open › 36 m at 3.59 g/t Au, including 7 m

17. Slide 17: Pitangui Project (Brazil)

    Pitangui Project (Brazil) • April 2014 – maiden inferred resource estimate of 0.64 M oz at 4.88 g/t Au • Assay results highlights reported July 7, 2015: › 11.9 m at 6.84 g/t Au, including 3.5 m at 17.02 g/t Au › 7.6 m at 9.78 g/t Au and 4.4 m at 16.56 g/t Au › 7.4 m at 8.12 g/t Au > 40M oz. historic

18. Slide 18: Eastern Borosi (Nicaragua) – JV with Calibre Mining

    Eastern Borosi (Nicaragua) – JV with Calibre Mining • Drilling program in 2015 focused on further testing discoveries from 2014 as well as exploring additional vein systems • Q3/15 received final assay results from diamond drilling in Q2/15 • May 6, 2015 – Blag vein system drilling1: Bonanza E. Boro

19. Slide 19: Thank you

    Thank you TSX: IMG NYSE: IAG

20. Slide 20: Appendices

    Appendices CORPORATION

21. Slide 21: 2015 Capital Expenditure Outlook

    2015 Capital Expenditure Outlook 1 Development/ ($ millions) Sustaining Expansion Total (Non-sustaining) Rosebel 65 10 75 Essakane 55 5 60 Westwood 20 60 80 Total gold segments 140 75 215 Côté Gold - 5 5 Total consolidated 140 80 220 Joint ventures 5 5 10 Total (±10%) 145 85 230 1 Does not include c

22. Slide 22: 2015 Production and Cost Guidance

    2015 Production and Cost Guidance 1 2 Previous Revised Rosebel (000s oz.) 290 - 300 290 – 300 Essakane (000s oz.) 360 - 370 365 - 380 Westwood (000s oz.) 60 - 75 55 - 65 Total owner-operated production (000s oz.) 710 - 745 710 - 745 Joint ventures (000s oz.) 70 70 Total attributable production (000s

23. Slide 23: Capitalization

    Capitalization Position (as at September 30, 2015) M$ Cash and cash equivalents 633 Bullion (at market) 151 LTD - senior unsecured notes 635 Shareholder’s Equity (incl. non-controlling interests) 2,620 Total Capitalization 3,255 Net Cash 149 Credit Metrics EBITDA (TTM) $240M Net Debt/EBITDA (TTM)1 0

24. Slide 24: Taxes & Royalties

    Taxes & Royalties Africa Americas Burkina Faso Mali Canada Suriname 36% includes 17.50% Quebec mining duty taxes which Corp. Tax Rate 30% 36% are deductible for mining tax Statutory corporate income tax rate of 27.5% purposes less 10% per Mining Agreement 6.5% (Au price 3%- Au price <$1000/oz >$425/

25. Slide 25: Summary of Outstanding Derivative (Hedge) Contracts

    Summary of Outstanding Derivative (Hedge) Contracts1 Contracts 2015 2016 2017 2018 Foreign currency Canadian dollar contracts (M of C$) 30.0 90.0 – – Contract rate range (C$/$) 1.12 – 1.17 1.12 – 1.29 – – Hedge ratio2 38% 30% – – Euro contracts (M of €) 9.0 18.0 – – Contract rate range ($/€) 1.21 –

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